Abook of stamps contains 20 stamps how many books must you buy to get 300 stamps define a variable and write an equation

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft